Finding the Fourth Proportional to 11,019.32, 16,531.71 and 3,228.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.32 : 16,531.71 = 3,228.13 : x
2. Step 2: Convert to fraction form
   11,019.32/16,531.71 = 3,228.13/x
3. Step 3: Cross multiply
   11,019.32x = 16,531.71 × 3,228.13
4. Step 4: Simplify right side
   11,019.32x = 53,366,509.00
5. Step 5: Solve for x
   x = 53,366,509.00/11,019.32
6. Step 6: Final answer
   x = 4,843.00